Thank you for reaching out to us about this problem that you encountered after installing Trend Micro on your computer. We apologize for whatever inconvenience this has caused you.

For us to gather more insight about this problem that you are experiencing, can you please tell us what is the operating system of your computer? Also, may we know what kind of email service you’re using? And, when you said “it keeps locking up” can you provide us a little more detailed explanation about which specific program or part of your computer is experiencing that problem?

For the meantime, you may try to disable the Trend Micro program on your computer temporarily. Please follow these steps:

1. Press the Windows button on your keyboard and letter “R” both at the same time. Doing that will open the Run program.

2. On the “Open” field, type: supporttool.exe

3. It will then open the Trend Micro Diagnostic Toolkit on your computer. After that, please go to (C) Uninstall and then click on “Stop all components” and that should temporarily disable the program on your computer.

4. While the security is temporarily disabled, please try to open some items on your mailbox again.

Note: You may enable your security again by simply opening the Trend Micro program from the Start Menu